img,
body,
p,
h1,
h2,
h3,
h4,
ul {
  margin: 0;
  padding: 0; }

html {
  min-width: 1200px; }

.container {
  margin: 0 auto;
  width: 1200px; }

a {
  text-decoration: none; }

ul {
  list-style: none; }

img {
  font-size: 0; }

.line {
  display: inline-block;
  width: 50px;
  height: 4px;
  margin: 1.5rem 0;
  border-radius: 5px; }

.line-blue {
  background-color: #3574fa; }

.line-white {
  background-color: #fff; }

.thin-line {
  height: 1px;
  margin: 1rem 0;
  background-color: #f5f5f5; }

.header {
  background: url("../image//background.png");
  background-size: cover; }

.swiper-pagination {
  left: 0;
  right: 0; }
  .swiper-pagination > span {
    height: 5px;
    width: 5px;
    margin: 0 0.5rem;
    border: 2px solid rgba(0, 0, 0, 0); }
  .swiper-pagination .swiper-pagination-bullet-active {
    background: #fff;
    border: 2px solid #007aff; }

.nav {
  display: flex;
  justify-content: space-between; }
  .nav .logo {
    padding: 1rem 0; }
  .nav .nav-list {
    display: flex; }
    .nav .nav-list a {
      display: inline-block;
      padding: 1rem 0.2rem;
      margin: 0 1.3rem;
      font-size: 0.85rem;
      border-top: 2px solid rgba(0, 0, 0, 0);
      color: #9fb0cd;
      transition: all 0.2s; }
      .nav .nav-list a:hover {
        color: #ddd; }
    .nav .nav-list > .active > a {
      font-size: 1rem;
      border-top: 2px solid #fff;
      color: #fff; }

.slogn {
  padding: 15rem 0;
  text-align: center;
  color: #fff; }
  .slogn > h1 {
    padding: 1rem 0;
    font-size: 3rem;
    font-weight: 500;
    letter-spacing: 1rem; }
    .slogn > h1 > span {
      padding: 0 1rem; }
  .slogn > p {
    padding: 0.2rem 0;
    line-height: 24px; }

.ecology {
  padding: 2rem 0; }
  .ecology .list {
    display: flex;
    justify-content: space-around; }
    .ecology .list li {
      text-align: center; }
      .ecology .list li img {
        width: 50%; }
      .ecology .list li > h3 {
        padding: 1rem 0;
        font-weight: 500;
        color: #333; }
      .ecology .list li > p {
        padding: 0.1rem 0;
        line-height: 22px;
        font-size: 0.85rem;
        color: #666; }

.header-ecology {
  margin-bottom: 2rem;
  text-align: center; }
  .header-ecology > h3 {
    font-size: 1.3rem;
    letter-spacing: 0.15rem;
    color: #475669; }

.header-product {
  margin-bottom: 2rem;
  text-align: center; }
  .header-product > h3 {
    font-size: 1.3rem;
    letter-spacing: 0.15rem;
    color: #fff; }

.header-service {
  margin-bottom: 2rem;
  text-align: center; }
  .header-service > h3 {
    font-size: 1.3rem;
    letter-spacing: 0.15rem;
    color: #475669; }

.header-case {
  margin-bottom: 2rem;
  text-align: center; }
  .header-case > h3 {
    font-size: 1.3rem;
    letter-spacing: 0.15rem;
    color: #fff; }

.header-aboutme {
  margin-bottom: 2rem;
  text-align: center; }
  .header-aboutme > h3 {
    font-size: 1.3rem;
    letter-spacing: 0.15rem;
    color: #475669; }

.product {
  background: url("../image/product-bg.png");
  background-size: cover;
  padding: 2rem 0;
  margin-top: 5rem; }
  .product .list {
    display: flex;
    justify-content: space-around;
    text-align: center; }
    .product .list h2,
    .product .list h3 {
      font-weight: 500;
      padding: 0.2rem 0;
      color: #333333; }
    .product .list p {
      text-align: left;
      line-height: 22px;
      font-size: 0.9rem;
      color: #666; }
    .product .list li {
      flex: 0 0 15%;
      height: 295px;
      padding: 1rem 2rem 3rem 2rem;
      border-radius: 5px;
      background-color: #fff;
      transition: all 0.2s ease;
      margin-top: 0;
      box-shadow: 0 0 12px 1px rgba(255, 255, 255, 0.1); }
      .product .list li img {
        width: 90%;
        padding: 1rem 0; }
      .product .list li:hover {
        margin-top: -20px;
        box-shadow: 0 0 20px 1px rgba(255, 255, 255, 0.5); }

.service {
  padding: 2rem 0; }
  .service .container {
    width: 1000px; }
    .service .container .box .item-container {
      display: flex;
      position: relative;
      justify-content: space-between; }
      .service .container .box .item-container > img {
        width: 50%;
        height: 50%; }
      .service .container .box .item-container > .card {
        position: absolute;
        right: 12%;
        top: 30%;
        width: 32%;
        padding: 2rem 2rem 3.5rem 4rem;
        box-shadow: 0 0 5px 1px rgba(0, 0, 0, 0.1);
        border-radius: 3px;
        background-color: #fff; }
        .service .container .box .item-container > .card > h3 {
          font-weight: 500; }
        .service .container .box .item-container > .card > p {
          font-size: 0.9rem;
          color: #6f6f6f; }

.case {
  position: relative;
  background: url("../image/case-bg.png") center bottom no-repeat;
  padding-top: 2rem; }
  .case .container {
    background: url("../image/circle.png") center bottom no-repeat;
    background-size: 55%; }
  .case .box > div {
    display: flex;
    justify-content: space-between;
    padding: 1rem 0;
    margin: 0 auto; }
    .case .box > div > span {
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 0;
      background-color: #fff;
      width: 80px;
      height: 80px;
      border-radius: 50%;
      transition: all 0.2s ease;
      margin-top: 0; }
      .case .box > div > span > img {
        width: 65%;
        cursor: pointer; }
      .case .box > div > span:hover {
        margin-top: -1rem; }
  .case .box .first-line {
    width: 35%; }
  .case .box .two-line {
    width: 55%; }
  .case .box .three-line {
    width: 60%; }
  .case .panel {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 4rem;
    max-width: 400px;
    margin: 0 auto;
    text-align: center;
    color: #fff; }
    .case .panel > .icon-box img {
      width: 50px; }
    .case .panel > p {
      margin: 0 auto;
      font-size: 0.9rem; }
    .case .panel > h3 {
      padding: 1rem 0;
      font-weight: 500;
      font-size: 1.3rem; }

.aboutme {
  padding: 2rem 0; }
  .aboutme .container {
    width: 900px; }
  .aboutme .box {
    display: flex; }
    .aboutme .box img {
      width: 90%; }
    .aboutme .box > .img {
      text-align: right; }
    .aboutme .box > .article > h3 {
      margin-bottom: 1rem;
      line-height: 24px;
      font-weight: 550;
      font-size: 1rem;
      color: #555; }
    .aboutme .box > .article > p {
      padding: 0.2rem;
      line-height: 24px;
      font-size: 0.85rem;
      color: #666; }
    .aboutme .box > div {
      flex: 0 0 50%; }

.footer > .container {
  width: 900px;
  display: flex;
  justify-content: space-around;
  box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
  padding: 1rem 0;
  margin-bottom: 1rem;
  font-size: 0.95rem;
  background-color: #fff;
  color: #4a596c; }
  .footer > .container .foot-icon > img {
    width: 10%;
    vertical-align: bottom;
    padding: 0 0.2rem; }
